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researcher

P. K. Vishwakarma

15 papers hereh-index 430 citations16 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author3
  • middle author3
  • last author8

Across the 14 of 15 papers where every author was matched, so the position is known.

fields
  • math.CO4
  • math.FA4
  • math.CA3
  • math.RA3
  • math.MG1

identity via Semantic Scholar / OpenAlex

activity
20202026
most citedPositivity preservers over finite fields

3 citations · 6 across the 15 of their papers we have counts for

collaborators
Showing 2024Show all

1 paper · 1 filter

math.RA2024★ 3 cited

Positivity preservers over finite fields

Dominique Guillot, Himanshu Gupta, Prateek Kumar Vishwakarma +1

We resolve an algebraic version of Schoenberg's celebrated theorem [Duke Math.J., 1942] characterizing entrywise matrix transforms that preserve positive definiteness. Compared to…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.